This 52in. Ceiling fan from Matthew's Fan Company is a part of the Irene Collection and comes in a Barnwood tone finish with Walnut blades This Ceiling fan measures 10" in height. 5 blades made from Solid Wood that rest at a pitch of 15 Degrees when installed. Limited Lifetime Warranty 52" diameter with five solid wood, machine-cut blades. At it's lowest setting, you can expect a CFM of 1631 at 51 RPM. At it's highest setting, you can expect a CFM of 4969.92 at 151 RPM.